AP Statistics Midterm Review B

The association in this picture has a r of

An effect is ____ _____ if it is too great to be caused by chance.

Lying is a type of

If x and y are swapped,

For the proportion of area in a section of a normal curve to be calculated, we use

Which of the following is not a good way to sample a population?

Weight

The group where no treatment is applied is called the

Formula for finding a range.

A simple random sample is

Making a prediction outside of the data given means you are

This association has a r of

A placebo is

The word and in a probability question signifies

What is the term for the most common number?

All of the following are types of quantitative data except

if I multiply each X by 100, add 12 to each y, and switch X and y, r

___blinding is when the subject does not know what group they belong to or what the study is on

A z-score is

Which is correct?

Describe the shape of this distribution.

Things that cannot happen at the same time are

If a ___ ____ is done correctly, it can determine cause and effect.

When questions ask if there is a relationship in the association, remember that

True or false. The picture is an example of the normal model.

If you calculate a positive residual, the actual value was

The proportion of times the outcome would occur for a large number of repetitions is called

The 5 number summary is used for this type of graph.

Describe the association.

Any point that doesn't fit with the rest is called an

Type of sample. Randomly select a department and survey all the people in it.

This is when you multiply 0.05n and subtract that number from the data to figure out New mean

A type of study where no treatments are imposed and cannot show cause and effect are called

In the LinReg equation, A stands for

A tree diagram is used for

You must control, randomize, replicate and compare results in an experiment for it to be valid.

An attempt to try to get everyone in the population is called a

If this point was removed from this association, would it increase or decrease?

A 5 number summary is used for a

Describe the association.

Describe the association.

Another way to express y=a+bx is

What is the equation for LinReg?

____% of the variation in y can be explained by X. This is

What is a residual?

What is a random variable?

An example of a systematic sample would be asking

The median is the

If you calculate a negative residual, that means that the actual value was

True or false. Categorical data does not make sense to calculate a mean.

The experimental condition being imposed on the group is called the

Which of the following is not a form of design?

Describe the shape of this distribution.

What type of graph is this?

SAT scores

This reduces variation and splits the subjects into homogenous groups.

We use venn diagrams for

A type of bias that only people that feel strong respond is called a

In the LinReg equation, what does B stand for?

When data is skewed, the mean is pulled

The Normal Model is also known as the

For questions that give you a percent and have you find an X , we use

Being an _____ point means that it affects the slope

Data are not curved if a residual

Phone numbers

All of the following are types of graphs used to display quantitative data except

Age groups

The word or in a probability question signifies

The closer our proportion gets to the hypothetical probability

If a segmented bar chart shows notable differences of data, then it is

What is the interquartile range?

Describe the association.

If a point is far left or far right from the mean, then it has

When running a simulation, you should _____ it several times.

A ____study is where the data has already been collected and you study certain aspects.

A parameter is

You can display categorical data on all of the following charts except

All of the following are w questions associated with data except

The two types of data we studied are

According to the model, ____ increases/decreases approx ____ by ____. This is

Are a snow day and the number of car crashes that day positively or negatively associated?

A sampling scheme that combines several sampling methods

How do you mathematically figure out if a point is an outlier or not?